I. Question proposalIn a recent project, I encountered an ASP operation problem on the FoxPro database table (*. DBF. In reality, many applications use the DBF table and how to use the data in the network environment makes many friends unable to do anything.I also checked a lot of information and did not find a detailed description of the solution. After testing, we have initially solved this problem and shared it with you.This article attempts to sol
First, the question of the proposedThe most recent project encountered ASP pairs of FoxPro library tables (*. DBF) operation problem. In reality, many applications use DBF tables, how to use these data in the network environment, so many friends are helpless.I also checked a lot of information, did not find a detailed explanation for the solution. After the test, the preliminary solution to this problem, take out and share with you.This article attemp
visual FoxPro 7 support for COM can be divided into two parts: visual FoxPro acts as a COM client, visual FoxPro as a COM service program.
Visual FoxPro 7 supports the "Interface" implementation of COM components to support early binding. This is a great innovation, and we know that COM itself does not support "inher
client Exchange data collection with the server as a server program? This is the Achilles heel of the server program developed by Visual FoxPro 6, and we know that visual FoxPro is used to process data, but not being able to freely exchange data sets with the outside world can greatly reduce the efficiency of development, use, and program operation! In Visual FoxPro
make it smaller. However, because the visual FoxPro6 itself is not very stable (plus SP4 or SP5), this great feature is not fully played under visual FoxPro 6 until Visual FoxPro 7 appears to make it appear a hero!
Question two: How to implement distributed transaction and dynamic load balancing? Visual FoxPro 7 has good support for COM +, which can be solved b
First part: Visual FoxPro OLE DB Provider
Speaking of Fox, the first impression is DBF data table, nearly 20 years of development process, do not know how many systems use DBF storage data. When you go to the. NET platform, how to access the Fox series of data is naturally a concern for many developers.
Prior to Visual FoxPro 7, Microsoft only provided Fox's ODBC driver. Using ODBC to access Fox data is i
Objective
This article can be said to be the BOE data Network Studio of the mountain. It started with the National Day of 2000, written and stopped, until the Lunar New Year to complete the first draft ...
Later I have several changes, counted in April 2002 this version, should be the fourth edition!
In the beginning, I wrote this article The motivation is: calm to express my point of view. As a Visual FoxPro programmer is often questioned, even re
rather than security management--this is a gentleman.
3._CRYPT.VCX Encryption Class
This is MS for us to encapsulate the data encryption class, support string and file encryption, is the Windows API package, the code is very complex, I am not free to see, I will only use (this is the essence of RAD).
For its use, you can see: Do FORM Home (2) + "\solution\ffc\crypto.scx"
4. Combining database events with _CRYPT.VCX encryption classes
At this yea
invocation is possible across domain networks.
Part IV: Introduction to Visual FoxPro for. NET Toolkit
Our foothold here is how to apply the existing Visual FoxPro technology to the. NET platform, which seems to have little meaning for developers who do not have the background of Fox technology, but the next thing to introduce is the 100%. NET native resource, which is the Visual
locate the appended record in the buffer with a go command with a negative number. This is useful when working with record numbers, such as to verify that the variable INRECNO is an available record number and, in a buffered state, to detect between (Inrecno,1,reccount ()) OR inrecno
Using buffering
The buffer is closed by default, and in this case VFP and FoxPro 2.X are the same when updating the table, and you must open it to use buffering. Buffer
Comparison of Visual FoxPro with other development tools
This is really a silly topic, the choice of development tools is entirely due to the tasks faced by programmers and personal preferences decided. As long as the tools you choose are qualified for the project you are engaged in, as long as you have sufficient knowledge of the development tools to cope with the changeable, complex work, as long as the tool continues to upgrade, you have no reason
Visual FoxPro is detached from Visual Studio
February 26, 2001, Microsoft announced the separation of visual FoxPro 7 from Visual Studio, is this good news or bad news? Let's analyze:
What have we lost?
Let's first observe that Visual FoxPro does not become a. NET language, and the technical loss is that you cannot develop a. NET based Web application.
The Vi
Acknowledgement
Friends who often come to the BOE know that I have long been an amateur foxer, and as time goes on, every writing is uneasy, really worried about making some misleading remarks or laughable.
Every time I finish the first draft I will give a preview to some friends and listen to their suggestions. The Boby, the future is my three netizens are my first readers, thank them again and again read those obscure words, understanding immature thought. The Rambler, in particular, became
Application of FoxPro in information management of the Three Gorges ProjectSource: Chinese thesis download center [07-07-20 17:08:00] Author: Li fangqing EDIT: studa20
Abstract: The Three Gorges Project is a world-class giant project with many professional categories, complicated technologies, and huge information management workload, the MIS system must be used to collect, sort, store, collect, analyze, and tabulation information. Over the past few y
(iii) A new "connection"
Visual FoxPro 8 Enhancements in heterogeneous database programming, and more directly, improvements to SQL Server support. I think, at least in two aspects: one is through the CursorAdapter object to provide a more flexible than remote view, more easily programmable Cursor management object, another is based on the original concept of "connection", making "connection" processing more independent, "Connect" management more con
Say in front
I remember the first time I contacted COM component programming, there is the question: there is no good way to pass the dataset. We know that Visual FoxPro is the most powerful data processing system, and its cursor strong, flexible support is unmatched. Since Visual FoxPro is so powerful at data set processing, COM programming, how to simply in various types of client programs and Visual
This article, which I wrote for Programmer magazine, was published in the 9th issue of the magazine in 2002, and it should be the first ever article on Visual FoxPro in the "programmer" magazine, thanks to Mr. Editor ...
Writing this article is very difficult, because the area involved is too new, there is little information to learn from, even the original. Fortunately, since last year I have been on and off a little bit about C #,. NET, and lately
Say in front
The experiment of this article must be carried out on the premise of Internet connection!
The definition of Web service in this article is part of the "C # asp.net" Book of Taiwan's Peak Information Co., Ltd.
Visual FoxPro 7 full support for Web Service
Visual FoxPro 7 has special support for Web service, a major selling point of visual FoxPro 7
Objective
Many friends may have the understanding that Visual FoxPro has limited support for Graph objects-it's hard to use it to make rich, beautiful icons; there are some problems that seem insurmountable: print charts--visual FoxPro does not provide a way to print a form, graph Does not provide a way to print or Save as a picture ...
I have this idea, but with the gradual establishment of "object-orien
Where does the data sequence occur?
Data series is based on a very critical issue, which refers to a set of related data points that are plotted in a chart. Each data series in a chart has a specific color or pattern and is described in the legend of the chart. (You can draw one or more data series in a chart, but there can be only one data series in a pie chart.) )
In terms of the previous example data source table, we can specify "quarter" as the basis for the data sequence ("quarter" as the
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